music: 1978 Who sang "Hold the Line"?

Questions

Later Years Beatles: Joe Cocker performed this Beatles tune at Woodstock?

Later Years Beatles: John claimed this person was actually the walrus in "Glass Onion"?

Later Years Beatles: Name the song: "The one and only Billy Shears!"?

Later Years Beatles: Name the tune: "I'm in love for the first time, don't you know it's gonna last"?

Later Years Beatles: Name the tune: "The sun is up, the sky is blue, it's beautiful and so are you"?